Concrete floors are stylish and durable, but they'll only remain that way if you take care of them. Here are avoidable ...

This resulted in ‘auto-cambering’ of the wing surface, which became more concave beneath (and more convex above). The degree of auto-cambering was limited by stiffening mechanisms preventing excessive ...

An untrained worker on his first day on the job was trapped when a concrete wall weighing about six tonnes collapsed. A bob cat and a concrete cutter were used to free him.